In a large bowl, add black beans, corn, green onions, cumin
Add cooked quinoa, and stir
Add avocado and toss to combine
Preheat oven to 375°
In a lightly sprayed 9 x 13 baking dish, pour a small amount of sauce to coat the bottom
Evenly distribute the black bean/quinoa mixture to the center of each tortilla, roll up, and place seam side down in the dish. Pour remaining sauce over the enchiladas.